Mosquito season in Gray County, TX: when it starts and ends
Mosquito months in Gray County
In a normal year mosquito season in Gray County, TX starts around April 4 and ends around November 5, about 31 weeks.
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
What to do in Gray County, and when
- Start tipping out standing water weekly by March 21.
- Book any yard treatment for early April, ahead of the July peak.
- Repellent can go away after November 5.
- 2 West Nile cases since 2016 (last 2023): you should use repellent at dusk June to September, more so if over 60.
Gray County against the rest of TX
Gray County has the 237th longest season of 254 TX counties, at 215 days against 365 in Cameron County and 191 in Lipscomb County. Its mean temperature is 58.3°F.
- Carson County: April 3 to November 6 (217 days, 2 WNV)
- Jeff Davis County: April 3 to November 6 (217 days, 0 WNV)
- Donley County: April 3 to November 3 (214 days, 1 WNV)
- Randall County: April 3 to November 3 (214 days, 31 WNV)
West Nile in Gray County
From 1999 to 2025, CDC ArboNET counted 8 human West Nile cases in Gray County (8 neuroinvasive) across 6 years. The worst was 2003 with 3; the latest was 2023.
Background: when the season starts across the US; how the dates are worked out.